bitterweed
英：[\'bɪtərwi:d]
美：[\'bɪtərwid]
基本释义
- n.
- 含有苦素的植物（如豚草等）
###
英英释义
Noun1. widespread European weed with spiny tongue-shaped leaves and yellow flowers; naturalized in United States
2. any of numerous chiefly North American weedy plants constituting the genus Ambrosia that produce highly allergenic pollen responsible for much hay fever and asthma
